First report of Triatoma sordida Stål, 1859 (Hemiptera, Reduviidae, Triatominae) in the State of Acre and Brazilian Western Amazon

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Abstract

Abstract INTRODUCTION The occurrence of Triatoma sordida in the Brazilian Western Amazon is reported for the first time. METHODS Triatoma sordida specimens were collected from a Gallus gallus nest in a peridomiciliary area of Senador Guiomard municipality in the state of Acre. RESULTS The number of triatomine species in Acre increased from six to seven with this first report of T. sordida in the Brazilian Western Amazon. CONCLUSIONS The occurrence of T. sordida in Acre is of concern since it is among the most captured triatomines in peridomiciliary environments in Brazil, and carries a high potential for vector transmission.

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Geographic Distribution of Chagas Disease Vectors in Brazil Based on Ecological Niche Modeling

Rodrigo Gurgel-Gonçalves, Cleber Galvão, Jane Costa … (2012)

Although Brazil was declared free from Chagas disease transmission by the domestic vector Triatoma infestans, human acute cases are still being registered based on transmission by native triatomine species. For a better understanding of transmission risk, the geographic distribution of Brazilian triatomines was analyzed. Sixteen out of 62 Brazilian species that both occur in >20 municipalities and present synanthropic tendencies were modeled based on their ecological niches. Panstrongylus geniculatus and P. megistus showed broad ecological ranges, but most of the species sort out by the biome in which they are distributed: Rhodnius pictipes and R. robustus in the Amazon; R. neglectus, Triatoma sordida, and T. costalimai in the Cerrado; R. nasutus, P. lutzi, T. brasiliensis, T. pseudomaculata, T. melanocephala, and T. petrocchiae in the Caatinga; T. rubrovaria in the southern pampas; T. tibiamaculata and T. vitticeps in the Atlantic Forest. Although most occurrences were recorded in open areas (Cerrado and Caatinga), our results show that all environmental conditions in the country are favorable to one or more of the species analyzed, such that almost nowhere is Chagas transmission risk negligible.

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Revision of the Triatominae (Hemiptera Reduviidae), and their significance as vectors of Chagas’ disease

H. lent, P WYGODZINSKY, H Lent … (1979)

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Cryptic speciation in Triatoma sordida (Hemiptera:Reduviidae) from the Bolivian Chaco.

F Noireau, M Zegarra, T Gutiérrez … (1998)

Eight natural Bolivian populations of two closely related species of Triatominae, Triatoma sordida and T. guasayana, were analysed by multilocus enzyme electrophoresis at 20 loci. Both species were readily separated and no natural hybrid was observed. Among the silvatic sample of T. sordida, strong departure from panmixia within and between loci was detected in two sites of the Chaco, suggesting two reproductively separate populations easily recognized at Idh2 and Mdh2 loci. Genetic distance between them was in agreement with the hypothesis of distinct species. However, the detection of 3% of putative hybrids suggested a recent evolutionary divergence.

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Author and article information

Contributors

Leandro José Ramos: Role: ND

Janis Lunier de Souza: Role: ND

Cláudio Rodrigues de Souza: Role: ND

Jader de Oliveira: Role: ND

João Aristeu da Rosa: Role: ND

Luis Marcelo Aranha Camargo: Role: ND

Renildo Moura da Cunha: Role: ND

Dionatas Ulises de Oliveira Meneguetti: Role: ND

Journal

Journal ID (publisher-id): rsbmt

Title: Revista da Sociedade Brasileira de Medicina Tropical

Abbreviated Title: Rev. Soc. Bras. Med. Trop.

Publisher: Sociedade Brasileira de Medicina Tropical - SBMT (Uberaba, MG, Brazil )

ISSN (Print): 0037-8682

ISSN (Electronic): 1678-9849

Publication date (Print and electronic): February 2018

Volume: 51

Issue: 1

Pages: 77-79

Affiliations

[12] Rio Branco Acre orgnameUniversidade Federal do Acre orgdiv1Colégio de Aplicação Brazil

[4] Araraquara São Paulo orgnameUniversidade Estadual Paulista orgdiv1Faculdade de Ciências Farmacêuticas orgdiv2Departamento de Ciências Biológicas Brazil

[7] Rio Branco Acre orgnameUniversidade Federal do Acre orgdiv1Programa de Pós Graduação Stricto Sensu em Ciência da Saúde na Amazônia Ocidental Brazil

[2] Rio Branco Acre orgnameUniversidade Federal do Acre orgdiv1Programa de Pós Graduação Stricto Sensu em Biodiversidade e Biotecnologia da Amazônia Legal Brazil

[10] Rio Branco Acre orgnameUniversidade Federal do Acre orgdiv1Programa de Pós Graduação Stricto Sensu em Ciência, Inovação e Tecnologia para a Amazônia Brazil

[9] Porto Velho RO orgnameCentro de Pesquisas em Medicina Tropical Brasil

[5] Araraquara São Paulo orgnameUniversidade Estadual Paulista orgdiv1Programa de Pós Graduação Stricto Sensu em Biociências e Biotecnologia Brazil

[8] Porto Velho Rondônia orgnameFaculdade São Lucas orgdiv1Departamento de Medicina Brazil

[1] Rio Branco Acre orgnameUniversidade Federal do Acre orgdiv1Centro de Ciências da Saúde e do Desporto Brazil

[6] Monte Negro orgnameUniversidade de São Paulo orgdiv1Instituto de Ciências Biomédicas-5 Brazil

[3] Rio Branco AC orgnameSecretaria Estadual de Saúde orgdiv1Departamento de Entomologia Brazil

[11] Rio Branco Acre orgnameUniversidade Federal do Acre orgdiv1Centro de Ciências Biológicas e da Natureza Brazil

Article

Publisher ID: S0037-86822018000100077

DOI: 10.1590/0037-8682-0161-2017

SO-VID: ece4f901-a0b4-4188-b31c-2d918381ca2c

License:

This work is licensed under a Creative Commons Attribution 4.0 International License.

History

Date accepted : 18 September 2017

Date received : 28 April 2017

Page count

Figures: 0, Tables: 0, Equations: 0, References: 15, Pages: 3

Product

SciELO Brazil

Keywords: Triatomines,Chagas disease,Trypanosomatids

Data availability:

Keywords: Triatomines, Chagas disease, Trypanosomatids

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